diff -r 3a8d722fd3ff -r 16c4ea954511 IOA/meta_theory/IOA.ML
--- a/IOA/meta_theory/IOA.ML	Fri Nov 11 10:35:03 1994 +0100
+++ b/IOA/meta_theory/IOA.ML	Mon Nov 21 17:50:34 1994 +0100
@@ -15,14 +15,14 @@
 goal IOA.thy
 "asig_of(<x,y,z>) = x & starts_of(<x,y,z>) = y & trans_of(<x,y,z>) = z";
   by (simp_tac (SS addsimps ioa_projections) 1);
-  val ioa_triple_proj = result();
+  qed "ioa_triple_proj";
 
 goalw IOA.thy [ioa_def,state_trans_def,actions_def, is_asig_def]
   "!!A. [| IOA(A); <s1,a,s2>:trans_of(A) |] ==> a:actions(asig_of(A))";
   by (REPEAT(etac conjE 1));
   by (EVERY1[etac allE, etac impE, atac]);
   by (asm_full_simp_tac SS 1);
-val trans_in_actions = result();
+qed "trans_in_actions";
 
 
 goal IOA.thy "filter_oseq(p,filter_oseq(p,s)) = filter_oseq(p,s)";
@@ -31,7 +31,7 @@
   by (Option.option.induct_tac "s(i)" 1);
   by (simp_tac SS 1);
   by (simp_tac (SS setloop (split_tac [expand_if])) 1);
-val filter_oseq_idemp = result();
+qed "filter_oseq_idemp";
 
 goalw IOA.thy [mk_behaviour_def,filter_oseq_def]
 "(mk_behaviour(A, s, n) = None) =                                     \
@@ -42,13 +42,13 @@
   by (Option.option.induct_tac "s(n)" 1);
   by (ALLGOALS (simp_tac (SS setloop (split_tac [expand_if]))));
   by (fast_tac HOL_cs 1);
-val mk_behaviour_thm = result();
+qed "mk_behaviour_thm";
 
 goalw IOA.thy [reachable_def] "!!A. s:starts_of(A) ==> reachable(A,s)";
   by (res_inst_tac [("x","<(%i.None),(%i.s)>::('action,'a)execution")] bexI 1);
   by (simp_tac SS 1);
   by (asm_simp_tac (SS addsimps exec_rws) 1);
-val reachable_0 = result();
+qed "reachable_0";
 
 goalw IOA.thy (reachable_def::exec_rws)
 "!!A. [| reachable(A,s); <s,a,t> : trans_of(A) |] ==> reachable(A,t)";
@@ -68,7 +68,7 @@
   by(fast_tac HOL_cs 1);
   by(forward_tac [less_not_sym] 1);
   by(asm_simp_tac (SS addsimps [less_not_refl2]) 1);
-val reachable_n = result();
+qed "reachable_n";
 
 val [p1,p2] = goalw IOA.thy [invariant_def]
   "[| !!s. s:starts_of(A) ==> P(s);                                          \
@@ -87,37 +87,37 @@
   by (etac (p2 RS mp) 1);
   by (ALLGOALS(fast_tac(set_cs addDs [hd Option.option.inject RS iffD1,
                                       reachable_n])));
-val invariantI = result();
+qed "invariantI";
 
 val [p1,p2] = goal IOA.thy
  "[| !!s. s : starts_of(A) ==> P(s); \
 \   !!s t a. reachable(A, s) ==> P(s) --> <s,a,t>:trans_of(A) --> P(t) \
 \ |] ==> invariant(A, P)";
   by (fast_tac (HOL_cs addSIs [invariantI] addSDs [p1,p2]) 1);
-val invariantI1 = result();
+qed "invariantI1";
 
 val [p1,p2] = goalw IOA.thy [invariant_def]
 "[| invariant(A,P); reachable(A,s) |] ==> P(s)";
    br(p2 RS (p1 RS spec RS mp))1;
-val invariantE = result();
+qed "invariantE";
 
 goal IOA.thy 
 "actions(asig_comp(a,b)) = actions(a) Un actions(b)";
   by(simp_tac (pair_ss addsimps
                ([actions_def,asig_comp_def]@asig_projections)) 1);
   by(fast_tac eq_cs 1);
-val actions_asig_comp = result();
+qed "actions_asig_comp";
 
 goal IOA.thy
 "starts_of(A || B) = {p. fst(p):starts_of(A) & snd(p):starts_of(B)}";
   by(simp_tac (SS addsimps (par_def::ioa_projections)) 1);
-val starts_of_par = result();
+qed "starts_of_par";
 
 (* Every state in an execution is reachable *)
 goalw IOA.thy [reachable_def] 
 "!!A. ex:executions(A) ==> !n. reachable(A, snd(ex,n))";
   by (fast_tac set_cs 1);
-val states_of_exec_reachable = result();
+qed "states_of_exec_reachable";
 
 
 goal IOA.thy 
@@ -136,15 +136,15 @@
   by(simp_tac (SS addsimps ([par_def,actions_asig_comp,Pair_fst_snd_eq]@
                             ioa_projections)
                   setloop (split_tac [expand_if])) 1);
-val trans_of_par4 = result();
+qed "trans_of_par4";
 
 goal IOA.thy "starts_of(restrict(ioa,acts)) = starts_of(ioa) &     \
 \             trans_of(restrict(ioa,acts)) = trans_of(ioa) &       \
 \             reachable(restrict(ioa,acts),s) = reachable(ioa,s)";
 by(simp_tac (SS addsimps ([is_execution_fragment_def,executions_def,
                            reachable_def,restrict_def]@ioa_projections)) 1);
-val cancel_restrict = result();
+qed "cancel_restrict";
 
 goal IOA.thy "asig_of(A || B) = asig_comp(asig_of(A),asig_of(B))";
   by(simp_tac (SS addsimps (par_def::ioa_projections)) 1);
-val asig_of_par = result();
+qed "asig_of_par";